Increased intracranial pressure Increased intracranial pressure is a rise in the pressure inside the skull that can result from or cause brain injury. Increased Intracranial Pressure Symptoms Infants: Drowsiness Separated sutures Bulging of the soft spot on top of the head (bulging fontanelle) Vomiting Older children and adults: Behavior changes Decreased consciousness Headache Lethargy Neurological problems Seizures Vomiting Source : umm.edu